Initial support for immutable lambda expressions. (#6914)

* Initial support for immutable lambda expressions.

* More diagnostics, and langauge server fix.

* Language server fix.

* Fix bug identified in review.

* Add expected result.

* Update expected result.

1 files changed, 3 insertions, 0 deletions

diff --git a/source/compiler-core/slang-lexer.cpp b/source/compiler-core/slang-lexer.cpp
index c2ee5cd69..d19ea388d 100644
--- a/source/compiler-core/slang-lexer.cpp
+++ b/source/compiler-core/slang-lexer.cpp
@@ -1515,6 +1515,9 @@ static TokenType _lexTokenImpl(Lexer* lexer)
         case '=':
             _advance(lexer);
             return TokenType::OpEql;
+        case '>':
+            _advance(lexer);
+            return TokenType::DoubleRightArrow;
         default:
             return TokenType::OpAssign;
         }